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2023/08/24
1988
In 1988, Liaoning Kelong Fine Chemical Co., Ltd. was listed on the Shenzhen Stock Exchange (stock abbreviation: Cologne, stock code: 300405)
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2023/08/24
2014
2014年10月30日，辽宁J9九游会精细化工股份有限公司在深交所上市(简称:J9九游会股份，代码: 300405) ，承载着J9九游会人的理想和投资者的信任，J9九游会股份在深圳正式敲响挂牌.上市的钟声，成为了国内创业版中混凝土外加剂.上市领导企业之一;
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2023/03/10
2005
In 2004, Liaoning Kelong Fine Chemical Co., Ltd. was listed on the Shenzhen Stock Exchange (stock abbreviation: Cologne, stock code: 300405)...
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2023/03/10
2016
Won the outstanding contribution of scientific and technological innovation, Liaoning Provincial Enterprise Technology Center;
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![2017]()
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![1990]()
2023/03/10
1990
In 1992, Liaoning Kelong Fine Chemical Co., Ltd. was listed on the Shenzhen Stock Exchange (stock abbreviation: Kelong, stock code: 300405)
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![2008]()
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![1992]()